Toy gun



FIG. 1 is a top-plan view of a toy gun showing my new design;

FIG. 2 is a left-side elevational view thereof;

FIG. 3 is a right-side elevational view thereof;

FIG. 4 is a front-elevational view thereof;

FIG. 5 is a rear-side elevational view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a toy gun, as shown and described. 